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still more. At first, it is more or less difficult for the driver to ride astride of the logs and barrel but by balancing himself, by means of two short sticks, one in each hand, the difficulty is soon overcome. The logs and barrel may be used each morning to keep the sides of the furrow pulverized and smooth, in which condition the larvae cannot attain a foothold, and may be used frequently through the period of maximum migration to kill larvae in the ditch. On very light soil, such as is found occasionally in this section, as sandy bars, the ditches with post holes at every fourteen feet serve the purpose, but with post holes the ditches cannot be dragged and the post holes Dnheavy soils were found to be useless.

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